// SPDX-License-Identifier: GPL-2.0-or-later /* * USB Audio Driver for ALSA * * Quirks and vendor-specific extensions for mixer interfaces * * Copyright (c) 2002 by Takashi Iwai * * Many codes borrowed from audio.c by * Alan Cox (alan@lxorguk.ukuu.org.uk) * Thomas Sailer (sailer@ife.ee.ethz.ch) * * Audio Advantage Micro II support added by: * Przemek Rudy (prudy1@o2.pl) */ #include #include #include #include #include #include #include #include #include #include #include #include #include "usbaudio.h" #include "mixer.h" #include "mixer_quirks.h" #include "mixer_scarlett.h" #include "mixer_scarlett_gen2.h" #include "mixer_us16x08.h" #include "helper.h" struct std_mono_table { unsigned int unitid, control, cmask; int val_type; const char *name; snd_kcontrol_tlv_rw_t *tlv_callback; }; /* This function allows for the creation of standard UAC controls. * See the quirks for M-Audio FTUs or Ebox-44. * If you don't want to set a TLV callback pass NULL. * * Since there doesn't seem to be a devices that needs a multichannel * version, we keep it mono for simplicity. */ static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer, unsigned int unitid, unsigned int control, unsigned int cmask, int val_type, unsigned int idx_off, const char *name, snd_kcontrol_tlv_rw_t *tlv_callback) { struct usb_mixer_elem_info *cval; struct snd_kcontrol *kctl; cval = kzalloc(sizeof(*cval), GFP_KERNEL); if (!cval) return -ENOMEM; snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); cval->val_type = val_type; cval->channels = 1; cval->control = control; cval->cmask = cmask; cval->idx_off = idx_off; /* get_min_max() is called only for integer volumes later, * so provide a short-cut for booleans */ cval->min = 0; cval->max = 1; cval->res = 0; cval->dBmin = 0; cval->dBmax = 0; /* Create control */ kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval); if (!kctl) { kfree(cval); return -ENOMEM; } /* Set name */ snprintf(kctl->id.name, sizeof(kctl->id.name), name); kctl->private_free = snd_usb_mixer_elem_free; /* set TLV */ if (tlv_callback) { kctl->tlv.c = tlv_callback; kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; } /* Add control to mixer */ return snd_usb_mixer_add_control(&cval->head, kctl); } static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer, unsigned int unitid, unsigned int control, unsigned int cmask, int val_type, const char *name, snd_kcontrol_tlv_rw_t *tlv_callback) { return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask, val_type, 0 /* Offset */, name, tlv_callback); } /* * Create a set of standard UAC controls from a table */ static int snd_create_std_mono_table(struct usb_mixer_interface *mixer, struct std_mono_table *t) { int err; while (t->name != NULL) { err = snd_create_std_mono_ctl(mixer, t->unitid, t->control, t->cmask, t->val_type, t->name, t->tlv_callback); if (err < 0) return err; t++; } return 0; } static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer, int id, usb_mixer_elem_resume_func_t resume, const struct snd_kcontrol_new *knew, struct usb_mixer_elem_list **listp) { struct usb_mixer_elem_list *list; struct snd_kcontrol *kctl; list = kzalloc(sizeof(*list), GFP_KERNEL); if (!list) return -ENOMEM; if (listp) *listp = list; list->mixer = mixer; list->id = id; list->resume = resume; kctl = snd_ctl_new1(knew, list); if (!kctl) { kfree(list); return -ENOMEM; } kctl->private_free = snd_usb_mixer_elem_free; return snd_usb_mixer_add_control(list, kctl); } /* * Sound Blaster remote control configuration * * format of remote control data: * Extigy: xx 00 * Audigy 2 NX: 06 80 xx 00 00 00 * Live! 24-bit: 06 80 xx yy 22 83 */ static const struct rc_config { u32 usb_id; u8 offset; u8 length; u8 packet_length; u8 min_packet_length; /* minimum accepted length of the URB result */ u8 mute_mixer_id; u32 mute_code; } rc_configs[] = { { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */ { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */ { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */ { USB_ID(0x041e, 0x3042), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 */ { USB_ID(0x041e, 0x30df), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */ { USB_ID(0x041e, 0x3237), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */ { USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */ }; static void snd_usb_soundblaster_remote_complete(struct urb *urb) { struct usb_mixer_interface *mixer = urb->context; const struct rc_config *rc = mixer->rc_cfg; u32 code; if (urb->status < 0 || urb->actual_length < rc->min_packet_length) return; code = mixer->rc_buffer[rc->offset]; if (rc->length == 2) code |= mixer->rc_buffer[rc->offset + 1] << 8; /* the Mute button actually changes the mixer control */ if (code == rc->mute_code) snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id); mixer->rc_code = code; wmb(); wake_up(&mixer->rc_waitq); } static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, long count, loff_t *offset) { struct usb_mixer_interface *mixer = hw->private_data; int err; u32 rc_code; if (count != 1 && count != 4) return -EINVAL; err = wait_event_interruptible(mixer->rc_waitq, (rc_code = xchg(&mixer->rc_code, 0)) != 0); if (err == 0) { if (count == 1) err = put_user(rc_code, buf); else err = put_user(rc_code, (u32 __user *)buf); } return err < 0 ? err : count; } static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file, poll_table *wait) { struct usb_mixer_interface *mixer = hw->private_data; poll_wait(file, &mixer->rc_waitq, wait); return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0; } static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) { struct snd_hwdep *hwdep; int err, len, i; for (i = 0; i < ARRAY_SIZE(rc_configs); ++i) if (rc_configs[i].usb_id == mixer->chip->usb_id) break; if (i >= ARRAY_SIZE(rc_configs)) return 0; mixer->rc_cfg = &rc_configs[i]; len = mixer->rc_cfg->packet_length; init_waitqueue_head(&mixer->rc_waitq); err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep); if (err < 0) return err; snprintf(hwdep->name, sizeof(hwdep->name), "%s remote control", mixer->chip->card->shortname); hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC; hwdep->private_data = mixer; hwdep->ops.read = snd_usb_sbrc_hwdep_read; hwdep->ops.poll = snd_usb_sbrc_hwdep_poll; hwdep->exclusive = 1; mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL); if (!mixer->rc_urb) return -ENOMEM; mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL); if (!mixer->rc_setup_packet) { usb_free_urb(mixer->rc_urb); mixer->rc_urb = NULL; return -ENOMEM; } mixer->rc_setup_packet->bRequestType = USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; mixer->rc_setup_packet->bRequest = UAC_GET_MEM; mixer->rc_setup_packet->wValue = cpu_to_le16(0); mixer->rc_setup_packet->wIndex = cpu_to_le16(0); mixer->rc_setup_packet->wLength = cpu_to_le16(len); usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev, usb_rcvctrlpipe(mixer->chip->dev, 0), (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len, snd_usb_soundblaster_remote_complete, mixer); return 0; } #define snd_audigy2nx_led_info snd_ctl_boolean_mono_info static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = kcontrol->private_value >> 8; return 0; } static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer, int value, int index) { struct snd_usb_audio *chip = mixer->chip; int err; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; if (chip->usb_id == USB_ID(0x041e, 0x3042)) err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), 0x24, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, !value, 0, NULL, 0); /* USB X-Fi S51 Pro */ if (chip->usb_id == USB_ID(0x041e, 0x30df)) err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), 0x24, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, !value, 0, NULL, 0); else err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), 0x24, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, value, index + 2, NULL, 0); snd_usb_unlock_shutdown(chip); return err; } static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); struct usb_mixer_interface *mixer = list->mixer; int index = kcontrol->private_value & 0xff; unsigned int value = ucontrol->value.integer.value[0]; int old_value = kcontrol->private_value >> 8; int err; if (value > 1) return -EINVAL; if (value == old_value) return 0; kcontrol->private_value = (value << 8) | index; err = snd_audigy2nx_led_update(mixer, value, index); return err < 0 ? err : 1; } static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list) { int priv_value = list->kctl->private_value; return snd_audigy2nx_led_update(list->mixer, priv_value >> 8, priv_value & 0xff); } /* name and private_value are set dynamically */ static const struct snd_kcontrol_new snd_audigy2nx_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .info = snd_audigy2nx_led_info, .get = snd_audigy2nx_led_get, .put = snd_audigy2nx_led_put, }; static const char * const snd_audigy2nx_led_names[] = { "CMSS LED Switch", "Power LED Switch", "Dolby Digital LED Switch", }; static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer) { int i, err; for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) { struct snd_kcontrol_new knew; /* USB X-Fi S51 doesn't have a CMSS LED */ if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0) continue; /* USB X-Fi S51 Pro doesn't have one either */ if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0) continue; if (i > 1 && /* Live24ext has 2 LEDs only */ (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || mixer->chip->usb_id == USB_ID(0x041e, 0x3042) || mixer->chip->usb_id == USB_ID(0x041e, 0x30df) || mixer->chip->usb_id == USB_ID(0x041e, 0x3048))) break; knew = snd_audigy2nx_control; knew.name = snd_audigy2nx_led_names[i]; knew.private_value = (1 << 8) | i; /* LED on as default */ err = add_single_ctl_with_resume(mixer, 0, snd_audigy2nx_led_resume, &knew, NULL); if (err < 0) return err; } return 0; } static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { static const struct sb_jack { int unitid; const char *name; } jacks_audigy2nx[] = { {4, "dig in "}, {7, "line in"}, {19, "spk out"}, {20, "hph out"}, {-1, NULL} }, jacks_live24ext[] = { {4, "line in"}, /* &1=Line, &2=Mic*/ {3, "hph out"}, /* headphones */ {0, "RC "}, /* last command, 6 bytes see rc_config above */ {-1, NULL} }; const struct sb_jack *jacks; struct usb_mixer_interface *mixer = entry->private_data; int i, err; u8 buf[3]; snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname); if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) jacks = jacks_audigy2nx; else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) jacks = jacks_live24ext; else return; for (i = 0; jacks[i].name; ++i) { snd_iprintf(buffer, "%s: ", jacks[i].name); err = snd_usb_lock_shutdown(mixer->chip); if (err < 0) return; err = snd_usb_ctl_msg(mixer->chip->dev, usb_rcvctrlpipe(mixer->chip->dev, 0), UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, jacks[i].unitid << 8, buf, 3); snd_usb_unlock_shutdown(mixer->chip); if (err == 3 && (buf[0] == 3 || buf[0] == 6)) snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); else snd_iprintf(buffer, "?\n"); } } /* EMU0204 */ static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static const char * const texts[2] = {"1/2", "3/4"}; return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); } static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.enumerated.item[0] = kcontrol->private_value; return 0; } static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer, int value) { struct snd_usb_audio *chip = mixer->chip; int err; unsigned char buf[2]; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; buf[0] = 0x01; buf[1] = value ? 0x02 : 0x01; err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 0x0400, 0x0e00, buf, 2); snd_usb_unlock_shutdown(chip); return err; } static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); struct usb_mixer_interface *mixer = list->mixer; unsigned int value = ucontrol->value.enumerated.item[0]; int err; if (value > 1) return -EINVAL; if (value == kcontrol->private_value) return 0; kcontrol->private_value = value; err = snd_emu0204_ch_switch_update(mixer, value); return err < 0 ? err : 1; } static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list) { return snd_emu0204_ch_switch_update(list->mixer, list->kctl->private_value); } static struct snd_kcontrol_new snd_emu0204_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Front Jack Channels", .info = snd_emu0204_ch_switch_info, .get = snd_emu0204_ch_switch_get, .put = snd_emu0204_ch_switch_put, .private_value = 0, }; static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer) { return add_single_ctl_with_resume(mixer, 0, snd_emu0204_ch_switch_resume, &snd_emu0204_control, NULL); } /* ASUS Xonar U1 / U3 controls */ static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02); return 0; } static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer, unsigned char status) { struct snd_usb_audio *chip = mixer->chip; int err; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), 0x08, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 50, 0, &status, 1); snd_usb_unlock_shutdown(chip); return err; } static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); u8 old_status, new_status; int err; old_status = kcontrol->private_value; if (ucontrol->value.integer.value[0]) new_status = old_status | 0x02; else new_status = old_status & ~0x02; if (new_status == old_status) return 0; kcontrol->private_value = new_status; err = snd_xonar_u1_switch_update(list->mixer, new_status); return err < 0 ? err : 1; } static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list) { return snd_xonar_u1_switch_update(list->mixer, list->kctl->private_value); } static struct snd_kcontrol_new snd_xonar_u1_output_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Digital Playback Switch", .info = snd_ctl_boolean_mono_info, .get = snd_xonar_u1_switch_get, .put = snd_xonar_u1_switch_put, .private_value = 0x05, }; static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer) { return add_single_ctl_with_resume(mixer, 0, snd_xonar_u1_switch_resume, &snd_xonar_u1_output_switch, NULL); } /* Digidesign Mbox 1 clock source switch (internal/spdif) */ static int snd_mbox1_switch_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.enumerated.item[0] = kctl->private_value; return 0; } static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val) { struct snd_usb_audio *chip = mixer->chip; int err; unsigned char buff[3]; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; /* Prepare for magic command to toggle clock source */ err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), 0x81, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1); if (err < 0) goto err; err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), 0x81, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3); if (err < 0) goto err; /* 2 possibilities: Internal -> send sample rate * S/PDIF sync -> send zeroes * NB: Sample rate locked to 48kHz on purpose to * prevent user from resetting the sample rate * while S/PDIF sync is enabled and confusing * this configuration. */ if (val == 0) { buff[0] = 0x80; buff[1] = 0xbb; buff[2] = 0x00; } else { buff[0] = buff[1] = buff[2] = 0x00; } /* Send the magic command to toggle the clock source */ err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), 0x1, USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3); if (err < 0) goto err; err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), 0x81, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3); if (err < 0) goto err; err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), 0x81, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 0x100, 0x2, buff, 3); if (err < 0) goto err; err: snd_usb_unlock_shutdown(chip); return err; } static int snd_mbox1_switch_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl); struct usb_mixer_interface *mixer = list->mixer; int err; bool cur_val, new_val; cur_val = kctl->private_value; new_val = ucontrol->value.enumerated.item[0]; if (cur_val == new_val) return 0; kctl->private_value = new_val; err = snd_mbox1_switch_update(mixer, new_val); return err < 0 ? err : 1; } static int snd_mbox1_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static const char *const texts[2] = { "Internal", "S/PDIF" }; return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); } static int snd_mbox1_switch_resume(struct usb_mixer_elem_list *list) { return snd_mbox1_switch_update(list->mixer, list->kctl->private_value); } static struct snd_kcontrol_new snd_mbox1_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Clock Source", .index = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = snd_mbox1_switch_info, .get = snd_mbox1_switch_get, .put = snd_mbox1_switch_put, .private_value = 0 }; static int snd_mbox1_create_sync_switch(struct usb_mixer_interface *mixer) { return add_single_ctl_with_resume(mixer, 0, snd_mbox1_switch_resume, &snd_mbox1_switch, NULL); } /* Native Instruments device quirks */ #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex)) static int snd_ni_control_init_val(struct usb_mixer_interface *mixer, struct snd_kcontrol *kctl) { struct usb_device *dev = mixer->chip->dev; unsigned int pval = kctl->private_value; u8 value; int err; err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), (pval >> 16) & 0xff, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, 0, pval & 0xffff, &value, 1); if (err < 0) { dev_err(&dev->dev, "unable to issue vendor read request (ret = %d)", err); return err; } kctl->private_value |= ((unsigned int)value << 24); return 0; } static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = kcontrol->private_value >> 24; return 0; } static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list) { struct snd_usb_audio *chip = list->mixer->chip; unsigned int pval = list->kctl->private_value; int err; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), (pval >> 16) & 0xff, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, pval >> 24, pval & 0xffff, NULL, 0, 1000); snd_usb_unlock_shutdown(chip); return err; } static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); u8 oldval = (kcontrol->private_value >> 24) & 0xff; u8 newval = ucontrol->value.integer.value[0]; int err; if (oldval == newval) return 0; kcontrol->private_value &= ~(0xff << 24); kcontrol->private_value |= (unsigned int)newval << 24; err = snd_ni_update_cur_val(list); return err < 0 ? err : 1; } static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = { { .name = "Direct Thru Channel A", .private_value = _MAKE_NI_CONTROL(0x01, 0x03), }, { .name = "Direct Thru Channel B", .private_value = _MAKE_NI_CONTROL(0x01, 0x05), }, { .name = "Phono Input Channel A", .private_value = _MAKE_NI_CONTROL(0x02, 0x03), }, { .name = "Phono Input Channel B", .private_value = _MAKE_NI_CONTROL(0x02, 0x05), }, }; static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = { { .name = "Direct Thru Channel A", .private_value = _MAKE_NI_CONTROL(0x01, 0x03), }, { .name = "Direct Thru Channel B", .private_value = _MAKE_NI_CONTROL(0x01, 0x05), }, { .name = "Direct Thru Channel C", .private_value = _MAKE_NI_CONTROL(0x01, 0x07), }, { .name = "Direct Thru Channel D", .private_value = _MAKE_NI_CONTROL(0x01, 0x09), }, { .name = "Phono Input Channel A", .private_value = _MAKE_NI_CONTROL(0x02, 0x03), }, { .name = "Phono Input Channel B", .private_value = _MAKE_NI_CONTROL(0x02, 0x05), }, { .name = "Phono Input Channel C", .private_value = _MAKE_NI_CONTROL(0x02, 0x07), }, { .name = "Phono Input Channel D", .private_value = _MAKE_NI_CONTROL(0x02, 0x09), }, }; static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer, const struct snd_kcontrol_new *kc, unsigned int count) { int i, err = 0; struct snd_kcontrol_new template = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .get = snd_nativeinstruments_control_get, .put = snd_nativeinstruments_control_put, .info = snd_ctl_boolean_mono_info, }; for (i = 0; i < count; i++) { struct usb_mixer_elem_list *list; template.name = kc[i].name; template.private_value = kc[i].private_value; err = add_single_ctl_with_resume(mixer, 0, snd_ni_update_cur_val, &template, &list); if (err < 0) break; snd_ni_control_init_val(mixer, list->kctl); } return err; } /* M-Audio FastTrack Ultra quirks */ /* FTU Effect switch (also used by C400/C600) */ static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static const char *const texts[8] = { "Room 1", "Room 2", "Room 3", "Hall 1", "Hall 2", "Plate", "Delay", "Echo" }; return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); } static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer, struct snd_kcontrol *kctl) { struct usb_device *dev = mixer->chip->dev; unsigned int pval = kctl->private_value; int err; unsigned char value[2]; value[0] = 0x00; value[1] = 0x00; err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, pval & 0xff00, snd_usb_ctrl_intf(mixer->chip) | ((pval & 0xff) << 8), value, 2); if (err < 0) return err; kctl->private_value |= (unsigned int)value[0] << 24; return 0; } static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.enumerated.item[0] = kctl->private_value >> 24; return 0; } static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list) { struct snd_usb_audio *chip = list->mixer->chip; unsigned int pval = list->kctl->private_value; unsigned char value[2]; int err; value[0] = pval >> 24; value[1] = 0; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, pval & 0xff00, snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8), value, 2); snd_usb_unlock_shutdown(chip); return err; } static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl); unsigned int pval = list->kctl->private_value; int cur_val, err, new_val; cur_val = pval >> 24; new_val = ucontrol->value.enumerated.item[0]; if (cur_val == new_val) return 0; kctl->private_value &= ~(0xff << 24); kctl->private_value |= new_val << 24; err = snd_ftu_eff_switch_update(list); return err < 0 ? err : 1; } static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer, int validx, int bUnitID) { static struct snd_kcontrol_new template = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Effect Program Switch", .index = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = snd_ftu_eff_switch_info, .get = snd_ftu_eff_switch_get, .put = snd_ftu_eff_switch_put }; struct usb_mixer_elem_list *list; int err; err = add_single_ctl_with_resume(mixer, bUnitID, snd_ftu_eff_switch_update, &template, &list); if (err < 0) return err; list->kctl->private_value = (validx << 8) | bUnitID; snd_ftu_eff_switch_init(mixer, list->kctl); return 0; } /* Create volume controls for FTU devices*/ static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer) { char name[64]; unsigned int control, cmask; int in, out, err; const unsigned int id = 5; const int val_type = USB_MIXER_S16; for (out = 0; out < 8; out++) { control = out + 1; for (in = 0; in < 8; in++) { cmask = 1 << in; snprintf(name, sizeof(name), "AIn%d - Out%d Capture Volume", in + 1, out + 1); err = snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, &snd_usb_mixer_vol_tlv); if (err < 0) return err; } for (in = 8; in < 16; in++) { cmask = 1 << in; snprintf(name, sizeof(name), "DIn%d - Out%d Playback Volume", in - 7, out + 1); err = snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, &snd_usb_mixer_vol_tlv); if (err < 0) return err; } } return 0; } /* This control needs a volume quirk, see mixer.c */ static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer) { static const char name[] = "Effect Volume"; const unsigned int id = 6; const int val_type = USB_MIXER_U8; const unsigned int control = 2; const unsigned int cmask = 0; return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, snd_usb_mixer_vol_tlv); } /* This control needs a volume quirk, see mixer.c */ static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer) { static const char name[] = "Effect Duration"; const unsigned int id = 6; const int val_type = USB_MIXER_S16; const unsigned int control = 3; const unsigned int cmask = 0; return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, snd_usb_mixer_vol_tlv); } /* This control needs a volume quirk, see mixer.c */ static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer) { static const char name[] = "Effect Feedback Volume"; const unsigned int id = 6; const int val_type = USB_MIXER_U8; const unsigned int control = 4; const unsigned int cmask = 0; return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, NULL); } static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer) { unsigned int cmask; int err, ch; char name[48]; const unsigned int id = 7; const int val_type = USB_MIXER_S16; const unsigned int control = 7; for (ch = 0; ch < 4; ++ch) { cmask = 1 << ch; snprintf(name, sizeof(name), "Effect Return %d Volume", ch + 1); err = snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, snd_usb_mixer_vol_tlv); if (err < 0) return err; } return 0; } static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer) { unsigned int cmask; int err, ch; char name[48]; const unsigned int id = 5; const int val_type = USB_MIXER_S16; const unsigned int control = 9; for (ch = 0; ch < 8; ++ch) { cmask = 1 << ch; snprintf(name, sizeof(name), "Effect Send AIn%d Volume", ch + 1); err = snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, snd_usb_mixer_vol_tlv); if (err < 0) return err; } for (ch = 8; ch < 16; ++ch) { cmask = 1 << ch; snprintf(name, sizeof(name), "Effect Send DIn%d Volume", ch - 7); err = snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, snd_usb_mixer_vol_tlv); if (err < 0) return err; } return 0; } static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer) { int err; err = snd_ftu_create_volume_ctls(mixer); if (err < 0) return err; err = snd_ftu_create_effect_switch(mixer, 1, 6); if (err < 0) return err; err = snd_ftu_create_effect_volume_ctl(mixer); if (err < 0) return err; err = snd_ftu_create_effect_duration_ctl(mixer); if (err < 0) return err; err = snd_ftu_create_effect_feedback_ctl(mixer); if (err < 0) return err; err = snd_ftu_create_effect_return_ctls(mixer); if (err < 0) return err; err = snd_ftu_create_effect_send_ctls(mixer); if (err < 0) return err; return 0; } void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, unsigned char samplerate_id) { struct usb_mixer_interface *mixer; struct usb_mixer_elem_info *cval; int unitid = 12; /* SampleRate ExtensionUnit ID */ list_for_each_entry(mixer, &chip->mixer_list, list) { if (mixer->id_elems[unitid]) { cval = mixer_elem_list_to_info(mixer->id_elems[unitid]); snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, cval->control << 8, samplerate_id); snd_usb_mixer_notify_id(mixer, unitid); break; } } } /* M-Audio Fast Track C400/C600 */ /* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */ static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer) { char name[64]; unsigned int cmask, offset; int out, chan, err; int num_outs = 0; int num_ins = 0; const unsigned int id = 0x40; const int val_type = USB_MIXER_S16; const int control = 1; switch (mixer->chip->usb_id) { case USB_ID(0x0763, 0x2030): num_outs = 6; num_ins = 4; break; case USB_ID(0x0763, 0x2031): num_outs = 8; num_ins = 6; break; } for (chan = 0; chan < num_outs + num_ins; chan++) { for (out = 0; out < num_outs; out++) { if (chan < num_outs) { snprintf(name, sizeof(name), "PCM%d-Out%d Playback Volume", chan + 1, out + 1); } else { snprintf(name, sizeof(name), "In%d-Out%d Playback Volume", chan - num_outs + 1, out + 1); } cmask = (out == 0) ? 0 : 1 << (out - 1); offset = chan * num_outs; err = snd_create_std_mono_ctl_offset(mixer, id, control, cmask, val_type, offset, name, &snd_usb_mixer_vol_tlv); if (err < 0) return err; } } return 0; } /* This control needs a volume quirk, see mixer.c */ static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer) { static const char name[] = "Effect Volume"; const unsigned int id = 0x43; const int val_type = USB_MIXER_U8; const unsigned int control = 3; const unsigned int cmask = 0; return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, snd_usb_mixer_vol_tlv); } /* This control needs a volume quirk, see mixer.c */ static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer) { static const char name[] = "Effect Duration"; const unsigned int id = 0x43; const int val_type = USB_MIXER_S16; const unsigned int control = 4; const unsigned int cmask = 0; return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, snd_usb_mixer_vol_tlv); } /* This control needs a volume quirk, see mixer.c */ static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer) { static const char name[] = "Effect Feedback Volume"; const unsigned int id = 0x43; const int val_type = USB_MIXER_U8; const unsigned int control = 5; const unsigned int cmask = 0; return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, NULL); } static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer) { char name[64]; unsigned int cmask; int chan, err; int num_outs = 0; int num_ins = 0; const unsigned int id = 0x42; const int val_type = USB_MIXER_S16; const int control = 1; switch (mixer->chip->usb_id) { case USB_ID(0x0763, 0x2030): num_outs = 6; num_ins = 4; break; case USB_ID(0x0763, 0x2031): num_outs = 8; num_ins = 6; break; } for (chan = 0; chan < num_outs + num_ins; chan++) { if (chan < num_outs) { snprintf(name, sizeof(name), "Effect Send DOut%d", chan + 1); } else { snprintf(name, sizeof(name), "Effect Send AIn%d", chan - num_outs + 1); } cmask = (chan == 0) ? 0 : 1 << (chan - 1); err = snd_create_std_mono_ctl(mixer, id, control, cmask, val_type, name, &snd_usb_mixer_vol_tlv); if (err < 0) return err; } return 0; } static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer) { char name[64]; unsigned int cmask; int chan, err; int num_outs = 0; int offset = 0; const unsigned int id = 0x40; const int val_type = USB_MIXER_S16; const int control = 1; switch (mixer->chip->usb_id) { case USB_ID(0x0763, 0x2030): num_outs = 6; offset = 0x3c; /* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */ break; case USB_ID(0x0763, 0x2031): num_outs = 8; offset = 0x70; /* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */ break; } for (chan = 0; chan < num_outs; chan++) { snprintf(name, sizeof(name), "Effect Return %d", chan + 1); cmask = (chan == 0) ? 0 : 1 << (chan + (chan % 2) * num_outs - 1); err = snd_create_std_mono_ctl_offset(mixer, id, control, cmask, val_type, offset, name, &snd_usb_mixer_vol_tlv); if (err < 0) return err; } return 0; } static int snd_c400_create_mixer(struct usb_mixer_interface *mixer) { int err; err = snd_c400_create_vol_ctls(mixer); if (err < 0) return err; err = snd_c400_create_effect_vol_ctls(mixer); if (err < 0) return err; err = snd_c400_create_effect_ret_vol_ctls(mixer); if (err < 0) return err; err = snd_ftu_create_effect_switch(mixer, 2, 0x43); if (err < 0) return err; err = snd_c400_create_effect_volume_ctl(mixer); if (err < 0) return err; err = snd_c400_create_effect_duration_ctl(mixer); if (err < 0) return err; err = snd_c400_create_effect_feedback_ctl(mixer); if (err < 0) return err; return 0; } /* * The mixer units for Ebox-44 are corrupt, and even where they * are valid they presents mono controls as L and R channels of * stereo. So we provide a good mixer here. */ static struct std_mono_table ebox44_table[] = { { .unitid = 4, .control = 1, .cmask = 0x0, .val_type = USB_MIXER_INV_BOOLEAN, .name = "Headphone Playback Switch" }, { .unitid = 4, .control = 2, .cmask = 0x1, .val_type = USB_MIXER_S16, .name = "Headphone A Mix Playback Volume" }, { .unitid = 4, .control = 2, .cmask = 0x2, .val_type = USB_MIXER_S16, .name = "Headphone B Mix Playback Volume" }, { .unitid = 7, .control = 1, .cmask = 0x0, .val_type = USB_MIXER_INV_BOOLEAN, .name = "Output Playback Switch" }, { .unitid = 7, .control = 2, .cmask = 0x1, .val_type = USB_MIXER_S16, .name = "Output A Playback Volume" }, { .unitid = 7, .control = 2, .cmask = 0x2, .val_type = USB_MIXER_S16, .name = "Output B Playback Volume" }, { .unitid = 10, .control = 1, .cmask = 0x0, .val_type = USB_MIXER_INV_BOOLEAN, .name = "Input Capture Switch" }, { .unitid = 10, .control = 2, .cmask = 0x1, .val_type = USB_MIXER_S16, .name = "Input A Capture Volume" }, { .unitid = 10, .control = 2, .cmask = 0x2, .val_type = USB_MIXER_S16, .name = "Input B Capture Volume" }, {} }; /* Audio Advantage Micro II findings: * * Mapping spdif AES bits to vendor register.bit: * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00 * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01 * AES2: [0 0 0 0 0 0 0 0] * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request * (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices * * power on values: * r2: 0x10 * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set * just after it to 0xa0, presumably it disables/mutes some analog * parts when there is no audio.) * r9: 0x28 * * Optical transmitter on/off: * vendor register.bit: 9.1 * 0 - on (0x28 register value) * 1 - off (0x2a register value) * */ static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; uinfo->count = 1; return 0; } static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); struct snd_usb_audio *chip = list->mixer->chip; int err; struct usb_interface *iface; struct usb_host_interface *alts; unsigned int ep; unsigned char data[3]; int rate; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff; ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff; ucontrol->value.iec958.status[2] = 0x00; /* use known values for that card: interface#1 altsetting#1 */ iface = usb_ifnum_to_if(chip->dev, 1); if (!iface || iface->num_altsetting < 2) { err = -EINVAL; goto end; } alts = &iface->altsetting[1]; if (get_iface_desc(alts)->bNumEndpoints < 1) { err = -EINVAL; goto end; } ep = get_endpoint(alts, 0)->bEndpointAddress; err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR, USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN, UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, data, sizeof(data)); if (err < 0) goto end; rate = data[0] | (data[1] << 8) | (data[2] << 16); ucontrol->value.iec958.status[3] = (rate == 48000) ? IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100; err = 0; end: snd_usb_unlock_shutdown(chip); return err; } static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list) { struct snd_usb_audio *chip = list->mixer->chip; unsigned int pval = list->kctl->private_value; u8 reg; int err; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; reg = ((pval >> 4) & 0xf0) | (pval & 0x0f); err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, reg, 2, NULL, 0); if (err < 0) goto end; reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20; reg |= (pval >> 12) & 0x0f; err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, reg, 3, NULL, 0); if (err < 0) goto end; end: snd_usb_unlock_shutdown(chip); return err; } static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); unsigned int pval, pval_old; int err; pval = pval_old = kcontrol->private_value; pval &= 0xfffff0f0; pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8; pval |= (ucontrol->value.iec958.status[0] & 0x0f); pval &= 0xffff0fff; pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8; /* The frequency bits in AES3 cannot be set via register access. */ /* Silently ignore any bits from the request that cannot be set. */ if (pval == pval_old) return 0; kcontrol->private_value = pval; err = snd_microii_spdif_default_update(list); return err < 0 ? err : 1; } static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.iec958.status[0] = 0x0f; ucontrol->value.iec958.status[1] = 0xff; ucontrol->value.iec958.status[2] = 0x00; ucontrol->value.iec958.status[3] = 0x00; return 0; } static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02); return 0; } static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list) { struct snd_usb_audio *chip = list->mixer->chip; u8 reg = list->kctl->private_value; int err; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, reg, 9, NULL, 0); snd_usb_unlock_shutdown(chip); return err; } static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); u8 reg; int err; reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a; if (reg != list->kctl->private_value) return 0; kcontrol->private_value = reg; err = snd_microii_spdif_switch_update(list); return err < 0 ? err : 1; } static struct snd_kcontrol_new snd_microii_mixer_spdif[] = { { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), .info = snd_microii_spdif_info, .get = snd_microii_spdif_default_get, .put = snd_microii_spdif_default_put, .private_value = 0x00000100UL,/* reset value */ }, { .access = SNDRV_CTL_ELEM_ACCESS_READ, .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK), .info = snd_microii_spdif_info, .get = snd_microii_spdif_mask_get, }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), .info = snd_ctl_boolean_mono_info, .get = snd_microii_spdif_switch_get, .put = snd_microii_spdif_switch_put, .private_value = 0x00000028UL,/* reset value */ } }; static int snd_microii_controls_create(struct usb_mixer_interface *mixer) { int err, i; static usb_mixer_elem_resume_func_t resume_funcs[] = { snd_microii_spdif_default_update, NULL, snd_microii_spdif_switch_update }; for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) { err = add_single_ctl_with_resume(mixer, 0, resume_funcs[i], &snd_microii_mixer_spdif[i], NULL); if (err < 0) return err; } return 0; } /* Creative Sound Blaster E1 */ static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = kcontrol->private_value; return 0; } static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer, unsigned char state) { struct snd_usb_audio *chip = mixer->chip; int err; unsigned char buff[2]; buff[0] = 0x02; buff[1] = state ? 0x02 : 0x00; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, 0x0202, 3, buff, 2); snd_usb_unlock_shutdown(chip); return err; } static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); unsigned char value = !!ucontrol->value.integer.value[0]; int err; if (kcontrol->private_value == value) return 0; kcontrol->private_value = value; err = snd_soundblaster_e1_switch_update(list->mixer, value); return err < 0 ? err : 1; } static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list) { return snd_soundblaster_e1_switch_update(list->mixer, list->kctl->private_value); } static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static const char *const texts[2] = { "Mic", "Aux" }; return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); } static struct snd_kcontrol_new snd_soundblaster_e1_input_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Input Source", .info = snd_soundblaster_e1_switch_info, .get = snd_soundblaster_e1_switch_get, .put = snd_soundblaster_e1_switch_put, .private_value = 0, }; static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer) { return add_single_ctl_with_resume(mixer, 0, snd_soundblaster_e1_switch_resume, &snd_soundblaster_e1_input_switch, NULL); } static void dell_dock_init_vol(struct snd_usb_audio *chip, int ch, int id) { u16 buf = 0; snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, ch, snd_usb_ctrl_intf(chip) | (id << 8), &buf, 2); } static int dell_dock_mixer_init(struct usb_mixer_interface *mixer) { /* fix to 0dB playback volumes */ dell_dock_init_vol(mixer->chip, 1, 16); dell_dock_init_vol(mixer->chip, 2, 16); dell_dock_init_vol(mixer->chip, 1, 19); dell_dock_init_vol(mixer->chip, 2, 19); return 0; } /* RME Class Compliant device quirks */ #define SND_RME_GET_STATUS1 23 #define SND_RME_GET_CURRENT_FREQ 17 #define SND_RME_CLK_SYSTEM_SHIFT 16 #define SND_RME_CLK_SYSTEM_MASK 0x1f #define SND_RME_CLK_AES_SHIFT 8 #define SND_RME_CLK_SPDIF_SHIFT 12 #define SND_RME_CLK_AES_SPDIF_MASK 0xf #define SND_RME_CLK_SYNC_SHIFT 6 #define SND_RME_CLK_SYNC_MASK 0x3 #define SND_RME_CLK_FREQMUL_SHIFT 18 #define SND_RME_CLK_FREQMUL_MASK 0x7 #define SND_RME_CLK_SYSTEM(x) \ ((x >> SND_RME_CLK_SYSTEM_SHIFT) & SND_RME_CLK_SYSTEM_MASK) #define SND_RME_CLK_AES(x) \ ((x >> SND_RME_CLK_AES_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK) #define SND_RME_CLK_SPDIF(x) \ ((x >> SND_RME_CLK_SPDIF_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK) #define SND_RME_CLK_SYNC(x) \ ((x >> SND_RME_CLK_SYNC_SHIFT) & SND_RME_CLK_SYNC_MASK) #define SND_RME_CLK_FREQMUL(x) \ ((x >> SND_RME_CLK_FREQMUL_SHIFT) & SND_RME_CLK_FREQMUL_MASK) #define SND_RME_CLK_AES_LOCK 0x1 #define SND_RME_CLK_AES_SYNC 0x4 #define SND_RME_CLK_SPDIF_LOCK 0x2 #define SND_RME_CLK_SPDIF_SYNC 0x8 #define SND_RME_SPDIF_IF_SHIFT 4 #define SND_RME_SPDIF_FORMAT_SHIFT 5 #define SND_RME_BINARY_MASK 0x1 #define SND_RME_SPDIF_IF(x) \ ((x >> SND_RME_SPDIF_IF_SHIFT) & SND_RME_BINARY_MASK) #define SND_RME_SPDIF_FORMAT(x) \ ((x >> SND_RME_SPDIF_FORMAT_SHIFT) & SND_RME_BINARY_MASK) static const u32 snd_rme_rate_table[] = { 32000, 44100, 48000, 50000, 64000, 88200, 96000, 100000, 128000, 176400, 192000, 200000, 256000, 352800, 384000, 400000, 512000, 705600, 768000, 800000 }; /* maximum number of items for AES and S/PDIF rates for above table */ #define SND_RME_RATE_IDX_AES_SPDIF_NUM 12 enum snd_rme_domain { SND_RME_DOMAIN_SYSTEM, SND_RME_DOMAIN_AES, SND_RME_DOMAIN_SPDIF }; enum snd_rme_clock_status { SND_RME_CLOCK_NOLOCK, SND_RME_CLOCK_LOCK, SND_RME_CLOCK_SYNC }; static int snd_rme_read_value(struct snd_usb_audio *chip, unsigned int item, u32 *value) { struct usb_device *dev = chip->dev; int err; err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), item, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, 0, value, sizeof(*value)); if (err < 0) dev_err(&dev->dev, "unable to issue vendor read request %d (ret = %d)", item, err); return err; } static int snd_rme_get_status1(struct snd_kcontrol *kcontrol, u32 *status1) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); struct snd_usb_audio *chip = list->mixer->chip; int err; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, status1); snd_usb_unlock_shutdown(chip); return err; } static int snd_rme_rate_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 status1; u32 rate = 0; int idx; int err; err = snd_rme_get_status1(kcontrol, &status1); if (err < 0) return err; switch (kcontrol->private_value) { case SND_RME_DOMAIN_SYSTEM: idx = SND_RME_CLK_SYSTEM(status1); if (idx < ARRAY_SIZE(snd_rme_rate_table)) rate = snd_rme_rate_table[idx]; break; case SND_RME_DOMAIN_AES: idx = SND_RME_CLK_AES(status1); if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM) rate = snd_rme_rate_table[idx]; break; case SND_RME_DOMAIN_SPDIF: idx = SND_RME_CLK_SPDIF(status1); if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM) rate = snd_rme_rate_table[idx]; break; default: return -EINVAL; } ucontrol->value.integer.value[0] = rate; return 0; } static int snd_rme_sync_state_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 status1; int idx = SND_RME_CLOCK_NOLOCK; int err; err = snd_rme_get_status1(kcontrol, &status1); if (err < 0) return err; switch (kcontrol->private_value) { case SND_RME_DOMAIN_AES: /* AES */ if (status1 & SND_RME_CLK_AES_SYNC) idx = SND_RME_CLOCK_SYNC; else if (status1 & SND_RME_CLK_AES_LOCK) idx = SND_RME_CLOCK_LOCK; break; case SND_RME_DOMAIN_SPDIF: /* SPDIF */ if (status1 & SND_RME_CLK_SPDIF_SYNC) idx = SND_RME_CLOCK_SYNC; else if (status1 & SND_RME_CLK_SPDIF_LOCK) idx = SND_RME_CLOCK_LOCK; break; default: return -EINVAL; } ucontrol->value.enumerated.item[0] = idx; return 0; } static int snd_rme_spdif_if_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 status1; int err; err = snd_rme_get_status1(kcontrol, &status1); if (err < 0) return err; ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_IF(status1); return 0; } static int snd_rme_spdif_format_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 status1; int err; err = snd_rme_get_status1(kcontrol, &status1); if (err < 0) return err; ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_FORMAT(status1); return 0; } static int snd_rme_sync_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { u32 status1; int err; err = snd_rme_get_status1(kcontrol, &status1); if (err < 0) return err; ucontrol->value.enumerated.item[0] = SND_RME_CLK_SYNC(status1); return 0; } static int snd_rme_current_freq_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol); struct snd_usb_audio *chip = list->mixer->chip; u32 status1; const u64 num = 104857600000000ULL; u32 den; unsigned int freq; int err; err = snd_usb_lock_shutdown(chip); if (err < 0) return err; err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, &status1); if (err < 0) goto end; err = snd_rme_read_value(chip, SND_RME_GET_CURRENT_FREQ, &den); if (err < 0) goto end; freq = (den == 0) ? 0 : div64_u64(num, den); freq <<= SND_RME_CLK_FREQMUL(status1); ucontrol->value.integer.value[0] = freq; end: snd_usb_unlock_shutdown(chip); return err; } static int snd_rme_rate_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; switch (kcontrol->private_value) { case SND_RME_DOMAIN_SYSTEM: uinfo->value.integer.min = 32000; uinfo->value.integer.max = 800000; break; case SND_RME_DOMAIN_AES: case SND_RME_DOMAIN_SPDIF: default: uinfo->value.integer.min = 0; uinfo->value.integer.max = 200000; } uinfo->value.integer.step = 0; return 0; } static int snd_rme_sync_state_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static const char *const sync_states[] = { "No Lock", "Lock", "Sync" }; return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(sync_states), sync_states); } static int snd_rme_spdif_if_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static const char *const spdif_if[] = { "Coaxial", "Optical" }; return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(spdif_if), spdif_if); } static int snd_rme_spdif_format_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static const char *const optical_type[] = { "Consumer", "Professional" }; return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(optical_type), optical_type); } static int snd_rme_sync_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static const char *const sync_sources[] = { "Internal", "AES", "SPDIF", "Internal" }; return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(sync_sources), sync_sources); } static struct snd_kcontrol_new snd_rme_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "AES Rate", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_rme_rate_info, .get = snd_rme_rate_get, .private_value = SND_RME_DOMAIN_AES }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "AES Sync", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_rme_sync_state_info, .get = snd_rme_sync_state_get, .private_value = SND_RME_DOMAIN_AES }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "SPDIF Rate", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_rme_rate_info, .get = snd_rme_rate_get, .private_value = SND_RME_DOMAIN_SPDIF }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "SPDIF Sync", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_rme_sync_state_info, .get = snd_rme_sync_state_get, .private_value = SND_RME_DOMAIN_SPDIF }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "SPDIF Interface", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_rme_spdif_if_info, .get = snd_rme_spdif_if_get, }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "SPDIF Format", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_rme_spdif_format_info, .get = snd_rme_spdif_format_get, }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Sync Source", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_rme_sync_source_info, .get = snd_rme_sync_source_get }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "System Rate", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_rme_rate_info, .get = snd_rme_rate_get, .private_value = SND_RME_DOMAIN_SYSTEM }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Current Frequency", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_rme_rate_info, .get = snd_rme_current_freq_get } }; static int snd_rme_controls_create(struct usb_mixer_interface *mixer) { int err, i; for (i = 0; i < ARRAY_SIZE(snd_rme_controls); ++i) { err = add_single_ctl_with_resume(mixer, 0, NULL, &snd_rme_controls[i], NULL); if (err < 0) return err; } return 0; } int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) { int err = 0; err = snd_usb_soundblaster_remote_init(mixer); if (err < 0) return err; switch (mixer->chip->usb_id) { /* Tascam US-16x08 */ case USB_ID(0x0644, 0x8047): err = snd_us16x08_controls_create(mixer); break; case USB_ID(0x041e, 0x3020): case USB_ID(0x041e, 0x3040): case USB_ID(0x041e, 0x3042): case USB_ID(0x041e, 0x30df): case USB_ID(0x041e, 0x3048): err = snd_audigy2nx_controls_create(mixer); if (err < 0) break; snd_card_ro_proc_new(mixer->chip->card, "audigy2nx", mixer, snd_audigy2nx_proc_read); break; /* EMU0204 */ case USB_ID(0x041e, 0x3f19): err = snd_emu0204_controls_create(mixer); break; case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */ err = snd_c400_create_mixer(mixer); break; case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ err = snd_ftu_create_mixer(mixer); break; case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */ case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */ case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */ err = snd_xonar_u1_controls_create(mixer); break; case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */ err = snd_microii_controls_create(mixer); break; case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */ err = snd_mbox1_create_sync_switch(mixer); break; case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */ err = snd_nativeinstruments_create_mixer(mixer, snd_nativeinstruments_ta6_mixers, ARRAY_SIZE(snd_nativeinstruments_ta6_mixers)); break; case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */ err = snd_nativeinstruments_create_mixer(mixer, snd_nativeinstruments_ta10_mixers, ARRAY_SIZE(snd_nativeinstruments_ta10_mixers)); break; case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */ /* detection is disabled in mixer_maps.c */ err = snd_create_std_mono_table(mixer, ebox44_table); break; case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */ case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */ case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */ case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */ case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */ err = snd_scarlett_controls_create(mixer); break; case USB_ID(0x1235, 0x8203): /* Focusrite Scarlett 6i6 2nd Gen */ case USB_ID(0x1235, 0x8204): /* Focusrite Scarlett 18i8 2nd Gen */ case USB_ID(0x1235, 0x8201): /* Focusrite Scarlett 18i20 2nd Gen */ err = snd_scarlett_gen2_controls_create(mixer); break; case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */ err = snd_soundblaster_e1_switch_create(mixer); break; case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */ err = dell_dock_mixer_init(mixer); break; case USB_ID(0x2a39, 0x3fd2): /* RME ADI-2 Pro */ case USB_ID(0x2a39, 0x3fd3): /* RME ADI-2 DAC */ case USB_ID(0x2a39, 0x3fd4): /* RME */ err = snd_rme_controls_create(mixer); break; } return err; } #ifdef CONFIG_PM void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer) { switch (mixer->chip->usb_id) { case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */ dell_dock_mixer_init(mixer); break; } } #endif void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer, int unitid) { if (!mixer->rc_cfg) return; /* unit ids specific to Extigy/Audigy 2 NX: */ switch (unitid) { case 0: /* remote control */ mixer->rc_urb->dev = mixer->chip->dev; usb_submit_urb(mixer->rc_urb, GFP_ATOMIC); break; case 4: /* digital in jack */ case 7: /* line in jacks */ case 19: /* speaker out jacks */ case 20: /* headphones out jack */ break; /* live24ext: 4 = line-in jack */ case 3: /* hp-out jack (may actuate Mute) */ if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id); break; default: usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid); break; } } static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer, struct usb_mixer_elem_info *cval, struct snd_kcontrol *kctl) { /* Approximation using 10 ranges based on output measurement on hw v1.2. * This seems close to the cubic mapping e.g. alsamixer uses. */ static const DECLARE_TLV_DB_RANGE(scale, 0, 1, TLV_DB_MINMAX_ITEM(-5300, -4970), 2, 5, TLV_DB_MINMAX_ITEM(-4710, -4160), 6, 7, TLV_DB_MINMAX_ITEM(-3884, -3710), 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560), 15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324), 17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031), 20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393), 27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032), 32, 40, TLV_DB_MINMAX_ITEM(-968, -490), 41, 50, TLV_DB_MINMAX_ITEM(-441, 0), ); if (cval->min == 0 && cval->max == 50) { usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n"); kctl->tlv.p = scale; kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; } else if (cval->min == 0 && cval->max <= 1000) { /* Some other clearly broken DragonFly variant. * At least a 0..53 variant (hw v1.0) exists. */ usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device"); kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; } } void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer, struct usb_mixer_elem_info *cval, int unitid, struct snd_kcontrol *kctl) { switch (mixer->chip->usb_id) { case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */ if (unitid == 7 && cval->control == UAC_FU_VOLUME) snd_dragonfly_quirk_db_scale(mixer, cval, kctl); break; /* lowest playback value is muted on C-Media devices */ case USB_ID(0x0d8c, 0x000c): case USB_ID(0x0d8c, 0x0014): if (strstr(kctl->id.name, "Playback")) cval->min_mute = 1; break; } }